Towards high sensitivity gas detection with hollow-core photonic bandgap fibers

Fan Yang; Wei Jin; Yingchun Cao; Hoi Lut Ho; Yiping Wang

doi:10.1364/OE.22.024894

Towards high sensitivity gas detection with hollow-core photonic bandgap fibers

Fan Yang, Wei Jin, Yingchun Cao, Hoi Lut Ho, Yiping Wang

Research output: Journal article publication › Journal article › Academic research › peer-review

51 Citations (Scopus)

Abstract

This paper investigates the effect of modal interference on the performance of hollow-core photonic bandgap fiber (HC-PBF) gas sensors. By optimizing mode launch, using proper length of sensing HC-PBF, and applying proper wavelength modulation in combination with lock-in detection, as well as appropriate digital signal processing, an estimated lower detection limit of less than 1 part-per-million by volume (ppmv) acetylene is achieved.

Original language	English
Pages (from-to)	24894-24907
Number of pages	14
Journal	Optics Express
Volume	22
Issue number	20
DOIs	https://doi.org/10.1364/OE.22.024894
Publication status	Published - 1 Jan 2014

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.22.024894

Cite this

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title = "Towards high sensitivity gas detection with hollow-core photonic bandgap fibers",

abstract = "This paper investigates the effect of modal interference on the performance of hollow-core photonic bandgap fiber (HC-PBF) gas sensors. By optimizing mode launch, using proper length of sensing HC-PBF, and applying proper wavelength modulation in combination with lock-in detection, as well as appropriate digital signal processing, an estimated lower detection limit of less than 1 part-per-million by volume (ppmv) acetylene is achieved.",

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AB - This paper investigates the effect of modal interference on the performance of hollow-core photonic bandgap fiber (HC-PBF) gas sensors. By optimizing mode launch, using proper length of sensing HC-PBF, and applying proper wavelength modulation in combination with lock-in detection, as well as appropriate digital signal processing, an estimated lower detection limit of less than 1 part-per-million by volume (ppmv) acetylene is achieved.

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Towards high sensitivity gas detection with hollow-core photonic bandgap fibers

Abstract

ASJC Scopus subject areas

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